See also:

After Starting
The idle speed is controlled automatically and it will decrease as the engine warms up. ...

Rear Blower Control
The rear blower control knob can be manually set to off, or any fixed blower speed, by rotating the knob from low to high. This allows the rear seat occupants to control the volume of air circul ...

Electronic Speed Control – If Equipped
− Do not use in hilly terrain or with heavy loads. − When using the speed control, if you experience speed drops greater than 10 mph (16 km/h), disengage until you can get back to cru ...